We have it on “reasonable” authority that Google is under going a big database re shuffle, again. We and others in the game have noticed some large fluctuations in rankings over the past 72 hours. We monitor this all the time on behalf of clients. Sometimes we have remedial actions to take sometimes not. It depends on the actual impact the “Penguin” changes have.
I have a feeling the Penguin is on the loose right now.
Watch this space and subscribe to this blog to be kept in the loop.